PTFE Tubing and its Significance
What makes PTFE tubing so unique is the nature and composition of the polymer itself. Quite soft in nature, and easily spoiled if mishandled, when processed right it creates a technologically superior substance that has just the right properties which make it a product widely sought after across several industries. In this piece, we will go through the polymer itself, and how easy it is to make use of custom made heat shrink tubing products produced as a result of technological advancement.
Let’s start of by looking at the difference between PTFE tubing and tubing made out of other polymers. Polymers used in manufacturing plastic extruded tubing by means of appropriate equipment are processed at low melting points, thus making it fairly easy to operate the machines at relatively moderate temperatures and make the tubing by means of extruding through the moulds and dies- without any additional preparation except for maintaining the right mix of resin at the right level in the hopper. For one, extrusion moulding is considered one of the economical manufacturing techniques still in practice. Lesser number of man hours while manufacture indicates lower costs to finish the final product. PTFE tubing, quite popular for the nature of the polymer, in contrast, has a high melting point. It means that it could be nearly impossible to use the material for customised tubing via plastic machinery, except when some preparations are done in advance just before production begins.
PTFE tubing has a combination of chemical, electrical, thermal and mechanical properties, and is one of the best when it comes to temperature resistance, offering greater support even at 260°C. Besides, a typical PTFE tubing has great dielectric properties at nearly all frequencies, and is extremely resistive against most of the chemical solvents and compounds. Thanks to its characteristic, heat shrink tubing gets back to just about 25% of its expanded dimension when it is heated above 300°C. Fortunately, it is very much possible to make use of such shrinkable PTFE heat shrink tubing over those products that demand more than the standard 2:1 shrink down ratio. Manufacturers have turned to processes which can create an ultimate heat shrink or PTFE tubing from different grades of the polymer material in an attempt to tailor its properties to the requirements of the desired application.
PTFE tubing has been virtually used across all industries including chemical, automotive, electrical, and medical. Available in an extensive choice of fairly convenient colours and sizes, the PTFE tubing easily meets the necessities of any application, and conforms to the standard as required by all specifications. In general, reduced molecular weight is recommended for general usage, and high molecular weight for applications which call for stronger resistance to cracking which happens as a result of stress.
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